Vibration dampener



FIG. 1 is a perspective of vibration dampener enbodying the invention;

FIG. 2 is a front view of the FIG. 1vibration dampener;

FIG. 3 is a top view of the FIG. 1 vibration dampener; and,

FIG. 4 is a bottom view of the FIG. 1vibration dampener. 

The ornamental design for a vibration dampener, as shown and described. 